pipe through external process?

[Manuel M. T. Chakravarty]

John Meacham <john@repetae.net> wrote,

> It is not time-critical, but it would be nice to know how to do it
> properly :). is this a part of the whole IO system rewrite?  also, is
> withStdin broken? every time i try to call it the program aborts with an
> hFlush - cannot flush, Handle is not writeable error.

No, it doesn't have anything to do with the IO rewrite, but
is a separate library.

Manuel